numerology (n.)youdaoicibaDictYouDict[numerology 词源字典]
1911, "study of the occult meaning of numbers," a hybrid from Latin numerus "a number" (see number (n.)) + Greek -logia (see -logy). A correct formation would be arithmology, from Greek arithmos "number." Related: Numerological; numerologist.[numerology etymology, numerology origin, 英语词源]